# Steyer

- **MSHA mine ID:** 1800724
- **Status:** Abandoned
- **Type / commodity:** Surface / Coal (Bituminous)
- **Location:** Garrett, MD
- **Operator:** Deer Haven Farms, LLC
- **Controller:** Richard  Marple; Regina  Marple
- **Public source rows linked:** 1,712
- **Source coverage:** 16 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Richard  Marple; Regina  Marple (0131501) → Deer Haven Farms, LLC (0149593) → Steyer (1800724)**

Current identity source: `msha-mines`. This is a current snapshot, not a historical claim.

## Controller and operator valid-time history

- **Anker Group Inc → Anker West Virginia Mining Company Inc:** 1991-01-01 through 1999-04-11; derived from co-tenure at mine 1800724; source `msha-controller-operator-history`.
- **David M  Maynard → Steyer Fuel Inc:** 1999-04-12 through 2003-03-10; derived from co-tenure at mine 1800724; source `msha-controller-operator-history`.
- **Anker Group Inc → Wolf Run Mining Company:** 2003-03-11 through 2005-05-31; derived from co-tenure at mine 1800724; source `msha-controller-operator-history`.
- **International Coal Group Inc (ICG) → Anker West Virginia Mining Company Inc:** 2005-06-01 through 1999-04-11; derived from co-tenure at mine 1800724; source `msha-controller-operator-history`.
- **International Coal Group Inc (ICG) → Wolf Run Mining Company:** 2005-06-01 through 2011-06-14; derived from co-tenure at mine 1800724; source `msha-controller-operator-history`.
- **Arch Resources Inc → Anker West Virginia Mining Company Inc:** 2011-06-15 through 1999-04-11; derived from co-tenure at mine 1800724; source `msha-controller-operator-history`.
- **Arch Resources Inc → Wolf Run Mining Company:** 2011-06-15 through 2012-02-09; derived from co-tenure at mine 1800724; source `msha-controller-operator-history`.
- **International Coal Group Inc (ICG) → Vindex Energy LLC:** 2012-02-10 through 2011-06-14; derived from co-tenure at mine 1800724; source `msha-controller-operator-history`.
- **Anker Group Inc → Vindex Energy LLC:** 2012-02-10 through 2005-11-17; derived from co-tenure at mine 1800724; source `msha-controller-operator-history`.
- **Arch Resources Inc → Vindex Energy LLC:** 2012-02-10 through 2017-02-02; derived from co-tenure at mine 1800724; source `msha-controller-operator-history`.
- **Regina  Marple et al → Deer Haven Farms, LLC:** 2017-02-03 through current/open; derived from co-tenure at mine 1800724; source `msha-controller-operator-history`.
- **Richard  Marple et al → Deer Haven Farms, LLC:** 2017-02-03 through current/open; derived from co-tenure at mine 1800724; source `msha-controller-operator-history`.
- **Core Natural Resources Inc → Anker West Virginia Mining Company Inc:** 2025-01-14 through 1999-04-11; derived from co-tenure at mine 1800724; source `msha-controller-operator-history`.
- **Core Natural Resources Inc → Wolf Run Mining Company:** 2025-01-14 through 2012-02-09; derived from co-tenure at mine 1800724; source `msha-controller-operator-history`.

- History rows: 14
- Typed edges: 28
- Interval anomalies: 6
- Valid-time bounds: inclusive; date granularity; null end means open-ended in the upstream history row; not independent proof of present control.
- Transaction-time observation: 2026-10-13T11:19:05.459773+00:00.

## Assessment signals

1. **SAFETY — 0 since 2021:** Accidents and injuries 29 historical accident/injury rows; 0 coded fatalities and 157 lost days across the published record.
2. **COMPLIANCE — 0 since 2021:** Violations and penalties 185 violation rows across the full record; 68 carry an S&S flag and $20,030 appears in current assessed amounts.
3. **HEALTH — 561 samples:** Occupational health samples 465 coal dust; 65 coal quartz; 31 noise. 0 personal-sample rows have a published C/E ratio above 1; 8 noise rows have an action-level or PEL dose above 100%. These are separate measures, not a silica exceedance count. Silica results and sample status are shown separately.
4. **PRODUCTION — 0 tons:** Quarterly production and employment 0 employee hours and 0 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 3 linked rows:** Contests, conferences and decisions 0 contested-violation rows, 1 civil-penalty docket/decision rows, and 2 conference records linked by issuance number.
6. **CONTRACTORS — 1 linked entities:** Contractors Contractors are linked through this mine’s violation or accident records. Their production and hours cover all their operations, so they are not included in this mine’s totals.
7. **INSPECTIONS — 0 since 2021:** Inspections 75 inspection events and 3K published inspection hours across the historical record.

## EIA annual operating context

No matched record in the 2024 EIA coal-public workbook. This may be inapplicable for a non-coal operation.

## Recent Title 30 crosswalk

Snapshot current through 2026-08-19.

- **30 CFR 77.208 — Storage of materials.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-C/section-77.208
- **30 CFR 62.130 — Permissible exposure level.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-M/part-62/section-62.130
- **30 CFR 77.410 — Mobile equipment; automatic warning devices.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-E/section-77.410
- **30 CFR 77.1606 — Loading and haulage equipment; inspection and maintenance.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-Q/section-77.1606
- **30 CFR 77.1605 — Loading and haulage equipment; installations.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-77/subpart-Q/section-77.1605
- **30 CFR 75.1711 — Sealing of mines.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-R/section-75.1711
- **30 CFR 75.503 — Permissible electric face equipment; maintenance.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-F/section-75.503
- **30 CFR 75.204 — Roof bolting.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-C/section-75.204
- **30 CFR 75.1719-4 — Mining machines, cap lamps; requirements.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-R/section-75.1719-4
- **30 CFR 75.1100-3 — Condition and examination of firefighting equipment.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-O/part-75/subpart-L/section-75.1100-3

## Source coverage

- **Accident, Injuries, and Illnesses:** 29 rows; 2000-01-22 through 2002-08-20; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2018-07-25 through 2018-07-25; source ID `msha-addresses`
- **Assessed Violations:** 173 rows; 2000-01-24 through 2013-09-16; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 1 rows; 2002-10-22 through 2002-10-22; source ID `msha-civil-penalty-dockets-decisions`
- **Coal Dust Samples:** 465 rows; 2000-01-06 through 2014-03-11; source ID `msha-coal-dust-samples`
- **Conferences:** 2 rows; 2001-05-15 through 2001-06-14; source ID `msha-conferences`
- **Contractor Employment and Production — Quarterly:** 460 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 109 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 14 rows; 1991-01-01 through 2017-02-03; source ID `msha-controller-operator-history`
- **Inspections:** 75 rows; 2000-01-10 through 2018-08-29; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 90 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 11 rows; unknown through unknown; source ID `msha-mine-production-yearly`
- **Mines:** 1 rows; unknown through unknown; source ID `msha-mines`
- **Noise Samples:** 31 rows; 2001-05-02 through 2014-03-11; source ID `msha-noise-samples`
- **Quartz Samples — Coal:** 65 rows; 2000-01-25 through 2002-10-08; source ID `msha-quartz-samples`
- **Violations:** 185 rows; 2000-01-24 through 2013-09-16; source ID `msha-violations`

## Caveats

- This is public-record decision support, not legal advice or an official MSHA record.
- Missing data can indicate no event, publication delay, an unresolved identity, or inapplicability.
- Contractor production data is entity-level and is not attributed to this mine.

## Alternate representations

- HTML: `/mines/steyer-1800724`
- JSON: `/api/v1/mines/steyer-1800724`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/1800724/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/1800724/relationships`
- MCP resource: `mine://1800724/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`